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ITU I.610:1999

ITU I.610:1999 B-isdn Operation And Maintenance Principles And Functions Identifies functions required to operate and maintain the physical layer and ATM layer aspects of the B-ISDN. The functions apply to the Virtual Path (VP) and Virtual Channel (VC) connections that may

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Table of Contents

1Scope
2References
3Definitions
4Abbreviations
5OAMprinciples
5.1Networkconfigurationformaintenanceactivities
5.2RelationwiththeTelecommunicationsManagement
Network(TMN)
5.3ManagementoftheinformationproducedbyOAM
functions
6OAMlevelsandflows
6.1OAMlevelsintheB-ISDN
6.2RelationshipofOAMfunctionswiththeB-ISDN
models
6.2.1B-ISDNProtocolReferenceModel(PRM)
6.2.2ATMtransportnetworkmodel
7MechanismstoprovideOAMflows
7.1Physicallayermechanisms
7.1.1SDH-basedtransmissionsystems
7.1.2Cll-basedtransmissionsystems
7.1.3PDH-basedtransmissionsystems
7.2ATMlayermechanism
7.2.1F4flowmechanism
7.2.2F5flowmechanism
7.3AssociationoftheOAMmechanismswiththe
transportfunctions
8OAMfunctionsofthephysicallayer
8.1OAMflowsinsomephysicalconfigurations
8.2OAMfunctions
8.2.1OAMfunctionssupportedsolelybythe
flowsF1toF3
8.2.2OAMfunctionswithregardtothesystem
management
8.3AdditionalOAMfunctions
8.3.1LCDevents
8.3.2UNEXevents
9OAMfunctionsoftheATMlayer
9.1OAMflowsinsomephysicalconfigurations
9.2OAMfunctions
9.2.1OAMfunctionsforVPC(F4flow)
9.2.2OAMfunctionsfortheVCC(F5flow)
9.2.3Activation/deactivationprocedures
10ATMlayerOAMcellformat
10.1CommonOAMcellfields
10.2Specificfieldsforfaultmanagementcell
10.2.1AIS/RDIfaultmanagementcell
10.2.2Continuitycheckfaultmanagementcell
10.2.3Loopbackcell
10.3Specificfieldsforperformancemanagementcell
10.3.1Forwardperformancemonitoringcell
10.3.2Backwardreportingcell
10.4Specificfieldsforactivation/deactivation
cell
10.5Specificfieldsforsystemmanagementcell
10.6SpecificfieldsforAPScell
AnnexA-GuidanceonestimatingVPC/VCCoutages
AnnexB-SDLsforactivation/deactivationusingOAM
cells
AnnexC-ProcedurestobeperformedwhenreceivingLBcells
C.1Caseofseg_LBcells
C.2Caseofe-t-e_LBcells
AppendixIExamplesofOAMcellerrordetectioncodes
AppendixII
II.1Forcedinsertion
II.1.1Forcedinsertion
II.1.2Nonforcedinsertion
II.2Processesapplicabletoforwardperformance
monitoringcells
II.2.1Forcedinsertion
II.2.2Nonforcedinsertion
AppendixIIIUseofsegmentloopbackcellsforlocalizing
failures
III.1Descriptionoffailuretypeswhichmaybe
observedattheATMlayerlevel
III.2Loopbacktechniquesapplicableforsegment
loopbackcells
III.2.1Basicprincipleofthesingle
loopbacktechnique
III.2.2Basicprincipleofthemultiple
loopbacktechnique
III.3Examplesofuseofsegmentloopbackcellsfor
localizingfailuresoccurringatthe
VP/VClayerlevels
III.3.1CaseofPoint-to-PointVPC/VCC
III.3.2Caseofpoint-to-multipointsVPC/VCC
AppendixIVOAMhierarchicallevelsandtheirrelationship
withthefunctionalmodelofG.805
AppendixVUseofanIDinthesegmentCCcell
V.1Basicconcepts
V.2Defectconditions
V.3CCIDsource/sinkfunctions
V.4SESATMestimation
V.5Backwardscompatibility
V.6Connectionidentificationforthepurposes
ofthrough-pathmonitoring

Abstract

Identifies functions required to operate and maintain the physical layer and ATM layer aspects of the B-ISDN. The functions apply to the Virtual Path (VP) and Virtual Channel (VC) connections that may be routed through the B-ISDN.

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